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Okay, granted that I miss a lot of stuff, but why has ethyl maltol been ignored for several years? I decided to just order the crystals. Save the tuna and all that. (Well, save my Swedish gummy fish, at least.) So now I have crystals, no formula to actually use it, and decide to Google...

i just want to be... better.

I've been tabulating ecig model data for the last month or two. I noticed today that Jim Davis mentioned in an old thread that it would be nice to have the threads sizes identified for most models and charted. The following database has almost no thread information, but if modders were to break...

The following illustrations demonstrate where the original ecig design came from and where it basically is today- 　 Lik Hon had originally loaded down the device with a liquid pump, lcd screen, piezo atomization vibrator, air flow sensor, capacitive lip sensor, and who knows what else. Now we...

Resistance wire manufacturers are happy to post the specs for their wires. Unfortunately, that information is usually incomplete, not tabulated, applies only to their specific alloys, has proprietary terms for each alloy, and is in wildly varing units of measure. I've spent considerable time...

I was having a blast with this cheap DX cigar until a week later when it stopped working from an overdose of juice. Until then, it was filling a room like a fog machine. The culprit seemed to be the bathtub sized cartridge- Juice ran down throughout the cigar and finally messed up the...

Yeah, you can buy these commercially, but then I wanted to do it my way. This project started because I ordered a few 901's and one of them came with a usb charger with a male connector for the battery. Well, 901 batteries are male, so this amounted to parts for a mod- The $4 charger...

Just thinking aloud. Hoping for some feedback from experts on whether I am out there in left field. Super caps are now available that are less than $5 for 10 farads @ 2.5 volts. 13x33.5mm for this one at sparkfun- For a rough guestimate, supers have about 1/25th the energy density of...

There is a lot of controversy about using resistors or diodes to knock down the voltage of two li-ions in series. We're dealing with 8.4v maximum cell output, and most modders want to knock that top voltage down to 5 or 6 volts. The following schematic shows three circuits that we will compare...

Nobody asked me these questions, but I feel the need to answer them anyway. I am certainly no expert, and have learned a considerable portion of what I know about batteries in just the last few weeks, and in no small part due the information in this forum, shared by the experts here. Since I...

Nothing new here, just another disassembly pictorial, since I fried this atomizer and wanted to explore it's design. The whole ball of wax... One layer of foamy metal removed... Input end of the atomizer... The naked truth... The business end... What the hell is this...

Hope I haven't overlooked this, but I sure couldn't find any hard info on it, so I benchmarked the amps at several voltages to see what was going on. The test atomizer is a 901 measuring 3.5 ohms cold. 3.3 volts = .66 amps [could barely get any visible vapor] 4.2 volts = .85 amps [draws a...